The Ultimate Ears Wonderboom has long been our major pick for more than seven years, along with the latest iteration, the Wonderboom 4, eventually makes the switch to USB-C charging to keep up with the times. It's a tweeter as well as a woofer driver with stereo channels. It's https://www.bluetoothspeaker.top/bluetooth-speaker-bt5-3-music-speakers-powerful-soundbox-loudspeaker-with-two-speakers/